//@import "./extend/clearfix";
@import "./mixin/clearfix";

//#wrap:extend(.clearfix all){
#wrap{
  .clearfix();
  width: 300px;
  border: 1px solid;
  #inner{
    width: 200px;
    height: 200px;
    background: pink;
    float: left;
  }
}
//#wrap2:extend(.clearfix all){
//#wrap2{
  //.clearfix();

#wrap2{
  &:extend(.clearfix all);
  width: 300px;
  border: 1px solid;
  #inner2{
    width: 200px;
    height: 200px;
    background: pink;
    float: left;
  }
}